./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:12:49,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:12:49,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:12:49,277 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:12:49,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:12:49,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:12:49,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:12:49,329 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:12:49,330 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:12:49,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:12:49,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:12:49,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:12:49,334 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:12:49,335 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:12:49,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:12:49,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:12:49,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:12:49,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:12:49,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:12:49,337 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:12:49,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:12:49,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:12:49,343 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:12:49,343 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:12:49,343 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:12:49,344 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:12:49,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:12:49,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:12:49,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:12:49,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:12:49,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:12:49,350 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:12:49,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:12:49,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 [2024-11-09 00:12:49,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:12:49,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:12:49,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:12:49,754 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:12:49,754 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:12:49,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i Unable to find full path for "g++" [2024-11-09 00:12:52,243 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:12:52,480 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:12:52,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2024-11-09 00:12:52,493 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/data/71b873f87/2a3b194fe0eb4fa7bb5babe5c449ad66/FLAG93cc813e4 [2024-11-09 00:12:52,857 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/data/71b873f87/2a3b194fe0eb4fa7bb5babe5c449ad66 [2024-11-09 00:12:52,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:12:52,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:12:52,875 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:12:52,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:12:52,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:12:52,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:12:52" (1/1) ... [2024-11-09 00:12:52,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d4f5001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:52, skipping insertion in model container [2024-11-09 00:12:52,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:12:52" (1/1) ... [2024-11-09 00:12:52,969 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:12:53,204 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2024-11-09 00:12:53,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:12:53,267 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:12:53,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2024-11-09 00:12:53,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:12:53,334 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:12:53,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53 WrapperNode [2024-11-09 00:12:53,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:12:53,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:12:53,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:12:53,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:12:53,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,389 INFO L138 Inliner]: procedures = 26, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-09 00:12:53,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:12:53,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:12:53,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:12:53,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:12:53,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,434 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:12:53,446 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:12:53,446 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:12:53,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:12:53,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:12:53" (1/1) ... [2024-11-09 00:12:53,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:12:53,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:12:53,488 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:12:53,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:12:53,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:12:53,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:12:53,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:12:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:12:53,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:12:53,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:12:53,664 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:12:53,670 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:12:54,031 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 00:12:54,031 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:12:54,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:12:54,221 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:12:54,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:12:54 BoogieIcfgContainer [2024-11-09 00:12:54,221 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:12:54,223 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:12:54,223 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:12:54,233 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:12:54,233 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:12:54" (1/1) ... [2024-11-09 00:12:54,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:12:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-09 00:12:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-09 00:12:54,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:12:54,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:54,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:12:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:12:54,500 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:12:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:12:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:12:54,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:12:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:12:54,793 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:12:54,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:12:54 ImpRootNode [2024-11-09 00:12:54,849 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:12:54,852 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:12:54,852 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:12:54,853 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:12:54,854 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:12:54" (3/4) ... [2024-11-09 00:12:54,857 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:12:54,860 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:12:54,861 INFO L158 Benchmark]: Toolchain (without parser) took 1991.33ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 64.0MB in the end (delta: 63.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-09 00:12:54,862 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 102.8MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:12:54,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.13ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 113.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:12:54,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.88ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 111.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:12:54,864 INFO L158 Benchmark]: Boogie Preprocessor took 54.49ms. Allocated memory is still 167.8MB. Free memory was 111.4MB in the beginning and 110.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:12:54,865 INFO L158 Benchmark]: RCFGBuilder took 775.53ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 89.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 00:12:54,865 INFO L158 Benchmark]: CodeCheck took 626.22ms. Allocated memory is still 167.8MB. Free memory was 89.1MB in the beginning and 64.6MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 00:12:54,866 INFO L158 Benchmark]: Witness Printer took 8.64ms. Allocated memory is still 167.8MB. Free memory was 64.6MB in the beginning and 64.0MB in the end (delta: 635.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:12:54,874 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 83. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -128; [L23] unsigned short int var_1_3 = 16; [L24] unsigned long int var_1_7 = 1000; [L25] signed char var_1_8 = -4; [L26] signed short int var_1_9 = 2; [L27] unsigned char var_1_10 = 1; [L28] unsigned char var_1_11 = 0; [L29] double var_1_12 = 0.95; [L30] double var_1_13 = 9.8; [L31] signed short int last_1_var_1_9 = 2; [L32] unsigned char last_1_var_1_10 = 1; [L87] isInitial = 1 [L88] FCALL initially() [L89] COND TRUE 1 [L90] CALL updateLastVariables() [L79] last_1_var_1_9 = var_1_9 [L80] last_1_var_1_10 = var_1_10 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L63] var_1_3 = __VERIFIER_nondet_ushort() [L64] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L65] CALL assume_abort_if_not(var_1_3 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_3 <= 65535) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_7=1000, var_1_8=-4, var_1_9=2] [L66] var_1_7 = __VERIFIER_nondet_ulong() [L67] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L68] CALL assume_abort_if_not(var_1_7 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_7 <= 4294967295) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=-4, var_1_9=2] [L69] var_1_8 = __VERIFIER_nondet_char() [L70] CALL assume_abort_if_not(var_1_8 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_8 >= -127) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L71] CALL assume_abort_if_not(var_1_8 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not(var_1_8 <= 126) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L72] var_1_11 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L74] CALL assume_abort_if_not(var_1_11 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_11 <= 0) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_13=49/5, var_1_1=-128, var_1_8=0, var_1_9=2] [L75] var_1_13 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_1=-128, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=1, var_1_11=0, var_1_12=19/20, var_1_1=-128, var_1_8=0, var_1_9=2] [L91] RET updateVariables() [L92] CALL step() [L36] signed long int stepLocal_2 = last_1_var_1_9; [L37] unsigned char stepLocal_1 = (- var_1_7) <= last_1_var_1_9; [L38] unsigned char stepLocal_0 = last_1_var_1_10; [L39] COND TRUE stepLocal_0 || ((~ last_1_var_1_9) >= last_1_var_1_9) [L40] COND FALSE !(last_1_var_1_9 < stepLocal_2) [L49] var_1_1 = var_1_8 [L54] var_1_10 = var_1_11 [L55] var_1_12 = var_1_13 [L56] COND FALSE !(\read(var_1_10)) [L92] RET step() [L93] CALL, EXPR property() [L83-L84] return ((((last_1_var_1_10 || ((~ last_1_var_1_9) >= last_1_var_1_9)) ? ((last_1_var_1_9 < last_1_var_1_9) ? ((! last_1_var_1_10) ? (((last_1_var_1_9 > last_1_var_1_9) && ((- var_1_7) <= last_1_var_1_9)) ? (var_1_1 == ((signed char) var_1_8)) : (var_1_1 == ((signed char) var_1_8))) : 1) : (var_1_1 == ((signed char) var_1_8))) : (var_1_1 == ((signed char) var_1_8))) && (var_1_10 ? ((((4131182089u - var_1_3) - 200u) < var_1_1) ? (var_1_9 == ((signed short int) var_1_8)) : 1) : 1)) && (var_1_10 == ((unsigned char) var_1_11))) && (var_1_12 == ((double) var_1_13)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_1=0, var_1_3=0, var_1_8=0, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=1, last_1_var_1_9=2, var_1_10=0, var_1_11=0, var_1_12=2, var_1_13=2, var_1_1=0, var_1_3=0, var_1_8=0, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 102.8MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.13ms. Allocated memory is still 167.8MB. Free memory was 127.5MB in the beginning and 113.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.88ms. Allocated memory is still 167.8MB. Free memory was 113.6MB in the beginning and 111.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.49ms. Allocated memory is still 167.8MB. Free memory was 111.4MB in the beginning and 110.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 775.53ms. Allocated memory is still 167.8MB. Free memory was 110.1MB in the beginning and 89.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 626.22ms. Allocated memory is still 167.8MB. Free memory was 89.1MB in the beginning and 64.6MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 8.64ms. Allocated memory is still 167.8MB. Free memory was 64.6MB in the beginning and 64.0MB in the end (delta: 635.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:12:54,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:12:58,014 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:12:58,125 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:12:58,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:12:58,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:12:58,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:12:58,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:12:58,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:12:58,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:12:58,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:12:58,186 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:12:58,186 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:12:58,187 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:12:58,187 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:12:58,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:12:58,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:12:58,191 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:12:58,192 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:12:58,192 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:12:58,196 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:12:58,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:12:58,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:12:58,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:12:58,198 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:12:58,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:12:58,199 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:12:58,199 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:58,199 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:12:58,200 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:12:58,200 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:12:58,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:12:58,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:12:58,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:12:58,206 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:12:58,208 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:58,208 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:12:58,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ca4ba71ef8f01ac6963c6fc45a8e45259ba03efeeb723e37ea785d69c88b0e8 [2024-11-09 00:12:58,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:12:58,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:12:58,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:12:58,761 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:12:58,762 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:12:58,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i Unable to find full path for "g++" [2024-11-09 00:13:01,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:13:01,902 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:13:01,902 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i [2024-11-09 00:13:01,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/data/c40f3364f/73dad2093c084f928e222ed8d018f822/FLAG63fc392c2 [2024-11-09 00:13:02,239 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/data/c40f3364f/73dad2093c084f928e222ed8d018f822 [2024-11-09 00:13:02,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:13:02,246 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:13:02,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:13:02,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:13:02,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:13:02,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20733cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02, skipping insertion in model container [2024-11-09 00:13:02,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,303 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:13:02,630 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2024-11-09 00:13:02,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:13:02,757 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:13:02,780 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-15.i[915,928] [2024-11-09 00:13:02,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:13:02,847 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:13:02,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02 WrapperNode [2024-11-09 00:13:02,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:13:02,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:13:02,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:13:02,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:13:02,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,921 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2024-11-09 00:13:02,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:13:02,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:13:02,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:13:02,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:13:02,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,962 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,971 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:13:02,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:13:02,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:13:02,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:13:02,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:13:02" (1/1) ... [2024-11-09 00:13:02,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:13:03,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:13:03,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:13:03,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:13:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:13:03,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:13:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:13:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:13:03,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:13:03,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:13:03,202 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:13:03,205 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:13:03,620 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-11-09 00:13:03,620 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:13:03,844 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:13:03,844 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:13:03,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:03 BoogieIcfgContainer [2024-11-09 00:13:03,845 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:13:03,846 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:13:03,846 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:13:03,858 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:13:03,859 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:13:03" (1/1) ... [2024-11-09 00:13:03,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:13:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:03,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-09 00:13:03,924 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-09 00:13:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:13:03,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:03,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:03,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:03,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:03,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:13:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:04,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:04,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:13:04,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:13:10,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:12,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 40 states and 62 transitions. [2024-11-09 00:13:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 62 transitions. [2024-11-09 00:13:12,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:13:12,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:12,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:12,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:12,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:12,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:13:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:12,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:12,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:13:12,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:13:21,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-09 00:13:24,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:24,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2024-11-09 00:13:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2024-11-09 00:13:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:13:24,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:24,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:24,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:24,501 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:24,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:13:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:24,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:24,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:13:24,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:27,229 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:13:27,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 00:13:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2024-11-09 00:13:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2024-11-09 00:13:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:13:27,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:27,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:27,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:27,360 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:27,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:13:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:27,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:27,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:13:27,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:13:29,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:13:29,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:29,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 64 transitions. [2024-11-09 00:13:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 64 transitions. [2024-11-09 00:13:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:13:29,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:29,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:29,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:29,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:29,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:13:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:30,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:30,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:30,094 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:13:30,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:36,971 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:13:36,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:13:38,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:13:38,563 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:13:38,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:13:38,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:38,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:38,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:38,566 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:38,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:13:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:38,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:38,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:13:38,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:40,728 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:13:40,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:13:40,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:40,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:13:40,837 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:13:40,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:13:40,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:40,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:40,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:40,842 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:40,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:13:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:41,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:41,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:13:41,270 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:48,243 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:13:48,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:13:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:48,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:13:48,261 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:13:48,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:13:48,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:48,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:48,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:48,266 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:48,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:13:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:48,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:48,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:13:48,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:54,765 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:13:54,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:54,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:13:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:13:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:13:54,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:54,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:54,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:54,791 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:54,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:13:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:55,210 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:55,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:13:55,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:57,457 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:13:57,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-09 00:13:57,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:57,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:13:57,685 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:13:57,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:13:57,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:57,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:57,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:57,693 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:57,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:13:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:58,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:58,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:13:58,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:05,042 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:05,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:05,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:05,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:05,058 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:05,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:05,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:05,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:05,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:05,065 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:05,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:14:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:05,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:05,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:14:05,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:11,581 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:11,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:11,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:11,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:11,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:11,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:11,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:11,599 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:11,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:14:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:11,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:12,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:14:12,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:18,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:14:18,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:18,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:18,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:18,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:18,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:18,289 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:18,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:14:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:18,595 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:18,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:14:18,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:20,652 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:20,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:20,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:20,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:20,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:20,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:20,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:20,846 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:20,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:14:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:21,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:21,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:14:21,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:28,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:14:28,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:28,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:28,433 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:28,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:28,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:28,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:28,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:28,438 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:28,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:14:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:28,853 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:28,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:14:28,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:31,011 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:31,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:31,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:31,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:31,248 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:31,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:31,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:31,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:31,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:31,253 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:31,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:14:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:31,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:31,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:14:31,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:38,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:38,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:38,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:38,162 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:38,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:38,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:38,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:38,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:38,166 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:38,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:14:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:38,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:38,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:14:38,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:44,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:44,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:44,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:44,045 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:44,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:44,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:44,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:44,050 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:44,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:14:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:44,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:44,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:14:44,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:46,180 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:46,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:46,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:46,342 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:46,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:46,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:46,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:46,346 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:46,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:14:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:46,750 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:46,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:14:46,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:48,519 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:48,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:48,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:48,647 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:48,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:48,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:48,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:48,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:48,650 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:48,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:14:48,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:48,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:48,974 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:14:48,975 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:54,380 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:54,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:54,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:54,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:54,392 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:54,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:54,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:54,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:54,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:54,398 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:54,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:14:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:54,754 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:54,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:14:54,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:56,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-09 00:14:56,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:56,925 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:56,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:56,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:56,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:56,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:56,931 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:56,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:14:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:57,310 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:57,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:14:57,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:14:58,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:59,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:14:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:14:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:14:59,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:59,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:59,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:59,062 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:59,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:14:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:59,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:59,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:14:59,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:01,011 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:01,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-09 00:15:01,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:01,141 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:01,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:01,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:01,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:01,145 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:01,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:15:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:01,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:01,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:15:01,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:03,351 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:03,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:03,521 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:03,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:03,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:03,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:03,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:03,523 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:03,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:15:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:03,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:03,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:15:03,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:10,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:10,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:10,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:10,103 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:10,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:10,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:10,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:10,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:10,107 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:10,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:15:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,417 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:15:10,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:16,317 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:16,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:16,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:16,333 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:16,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:16,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:16,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:16,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:16,337 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:16,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:15:16,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:16,734 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:16,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:15:16,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:22,953 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:22,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-09 00:15:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:22,973 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:22,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:22,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:22,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:22,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:22,975 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:22,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:15:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:23,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:23,423 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:15:23,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:29,536 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:29,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:29,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:29,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:29,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:29,558 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:29,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:15:29,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:29,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:30,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:15:30,089 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:36,596 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:36,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:36,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:36,612 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:36,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:36,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:36,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:36,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:36,615 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:36,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:15:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:36,928 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:36,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:15:36,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:38,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:38,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:38,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:38,927 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:38,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:38,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:38,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:38,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:38,932 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:38,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:15:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:39,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:39,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:15:39,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:41,233 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:41,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-09 00:15:41,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:41,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:41,364 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:41,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:41,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:41,365 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:41,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:41,367 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:41,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:15:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:41,677 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:41,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:15:41,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:43,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-09 00:15:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:43,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:43,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:43,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:43,876 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:43,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:15:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:44,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:44,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:44,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:15:44,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:50,146 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:50,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-09 00:15:50,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:50,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:50,163 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:50,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:50,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:50,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:50,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:50,167 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:50,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:15:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:50,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:50,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:15:50,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:57,073 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:15:57,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-09 00:15:57,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:57,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:15:57,087 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:15:57,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:15:57,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:57,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:57,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:57,092 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:57,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:15:57,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:57,516 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:57,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:15:57,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:03,586 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:03,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:03,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:03,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:03,600 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:03,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:03,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:03,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:03,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:03,605 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:03,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:16:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:04,010 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:04,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:16:04,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:10,208 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:10,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:10,221 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:10,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:10,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:10,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:10,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:10,223 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:10,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:16:10,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:10,636 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:10,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:10,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:10,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:12,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:12,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:12,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:12,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:12,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:12,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:12,857 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:12,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:16:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:13,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:13,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:13,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:15,219 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:15,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:15,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:15,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:15,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:15,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:15,304 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:15,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:16:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:15,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:15,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:15,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:17,446 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:17,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:17,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:17,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:17,558 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:17,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:17,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:17,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:17,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:17,560 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:17,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:16:17,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:17,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:17,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:16:18,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:23,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:23,898 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:23,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:23,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:23,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:23,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:23,901 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:23,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:16:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:24,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:24,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:16:24,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:30,395 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:30,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:30,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:30,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:30,411 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:30,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:30,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:30,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:30,415 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:30,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 00:16:30,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:30,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:30,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:30,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:32,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:32,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:32,665 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:32,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:32,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:32,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:32,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:32,667 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:32,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 00:16:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:32,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:33,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:33,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:34,931 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:34,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-09 00:16:35,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:35,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:35,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:35,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:35,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:35,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:35,102 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:35,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 00:16:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:35,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:35,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:35,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:37,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-09 00:16:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:37,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:37,436 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:37,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:37,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:37,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:37,438 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:37,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 00:16:37,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:37,737 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:37,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:16:37,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:43,516 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:43,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-09 00:16:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:43,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:43,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:43,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:43,528 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:43,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 00:16:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:43,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:43,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:43,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:45,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:45,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:45,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:45,870 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:45,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:45,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:45,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:45,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:45,874 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:45,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-09 00:16:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:46,332 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:46,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:46,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:48,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:48,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:48,239 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:48,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:48,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:48,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:48,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:48,243 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:48,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 00:16:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:48,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:48,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:48,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:50,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-09 00:16:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:50,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:50,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:50,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:50,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:50,914 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:50,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-09 00:16:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:51,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:51,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:51,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:53,288 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:53,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-09 00:16:53,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:53,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:53,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:53,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:53,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:53,459 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:53,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-09 00:16:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:53,876 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:53,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:16:53,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:16:55,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:16:55,907 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:16:55,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:16:55,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:55,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:55,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:55,909 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:55,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 00:16:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:56,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:56,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:16:56,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:02,234 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:02,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-09 00:17:02,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:02,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:02,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:02,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:02,251 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:02,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-09 00:17:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:02,666 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:02,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:17:02,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:04,480 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:04,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-09 00:17:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:04,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:04,559 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:04,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:04,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:04,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:04,560 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:04,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-09 00:17:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:04,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:04,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:17:04,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:10,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-09 00:17:10,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:10,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:10,121 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:10,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:10,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:10,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:10,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:10,125 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:10,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 00:17:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:10,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:10,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:17:10,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:16,627 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:16,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:16,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:16,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:16,641 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:16,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:16,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:16,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:16,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:16,645 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:16,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-09 00:17:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:16,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:17,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:17:17,031 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:18,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-09 00:17:19,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:19,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:19,052 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:19,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:19,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:19,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:19,054 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:19,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-09 00:17:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:19,424 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:19,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:17:19,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:21,280 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:21,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:21,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:21,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:21,425 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:21,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:21,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:21,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:21,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:21,426 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:21,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-09 00:17:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:21,793 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:21,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:17:21,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:23,983 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:23,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-09 00:17:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:24,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:24,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:24,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:24,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:24,173 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:24,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-09 00:17:24,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:24,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:24,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:17:24,597 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:26,716 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:26,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:26,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:26,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:26,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:26,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:26,900 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:26,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-09 00:17:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:27,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:27,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:17:27,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:33,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:33,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:33,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:33,799 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:33,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:33,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:33,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:33,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:33,803 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:33,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-09 00:17:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:34,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:34,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:17:34,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:36,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:36,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:36,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:36,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:36,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:36,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:36,515 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:36,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-09 00:17:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:36,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:36,988 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:17:36,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:39,023 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:39,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-09 00:17:39,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:39,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:39,174 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:39,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:39,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:39,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:39,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:39,178 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:39,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-09 00:17:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:39,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:39,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:17:39,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:41,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:41,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:41,762 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:41,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:41,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:41,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:41,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:41,766 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:41,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-09 00:17:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:42,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:42,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:17:42,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:49,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-09 00:17:49,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:49,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:49,041 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:49,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:49,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:49,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:49,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:49,044 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:49,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-09 00:17:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:49,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:49,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:17:49,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:51,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:51,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:51,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:51,640 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:51,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:51,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:51,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:51,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:51,643 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:51,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-09 00:17:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:52,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:52,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:17:52,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:17:59,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:59,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:59,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:17:59,126 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:17:59,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:17:59,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:59,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:59,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:59,130 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:59,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-09 00:17:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:59,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:59,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:17:59,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:01,619 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:18:01,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:01,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:18:01,727 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:18:01,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:18:01,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:01,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:01,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:01,730 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:01,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-09 00:18:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:02,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:02,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:18:02,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:18:08,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-09 00:18:08,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:08,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:18:08,452 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:18:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:18:08,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:08,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:08,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:08,454 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:08,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-09 00:18:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:08,850 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:08,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:08,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:18:08,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:18:15,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:15,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:15,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:18:15,187 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:18:15,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:18:15,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:15,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:15,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:15,191 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:15,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-09 00:18:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:15,673 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:15,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:18:15,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:21,994 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:18:21,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:18:22,007 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:18:22,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:18:22,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:22,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:22,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:22,010 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:22,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-09 00:18:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:22,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:22,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:18:22,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:28,217 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:18:28,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-09 00:18:28,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:28,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:18:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:18:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:18:28,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:28,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:28,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:28,234 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:28,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-09 00:18:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:28,548 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:28,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:18:28,580 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:30,304 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:18:30,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-09 00:18:30,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:30,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:18:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:18:30,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:18:30,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:30,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:30,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:30,389 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:30,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-09 00:18:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:30,686 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:30,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:18:30,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:18:32,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-09 00:18:32,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:32,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:18:32,490 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:18:32,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:18:32,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:32,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:32,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:32,491 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:32,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-09 00:18:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:32,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:32,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:18:32,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:18:35,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:18:35,104 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:18:35,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:18:35,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:35,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:35,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:35,108 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:35,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-09 00:18:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:35,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:35,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:18:35,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:42,269 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:18:42,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 45 states and 83 transitions. [2024-11-09 00:18:42,279 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-09 00:18:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:18:42,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:42,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:42,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:42,281 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:42,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-09 00:18:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:42,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:42,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:42,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:18:42,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:18:50,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:54,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 111 transitions. [2024-11-09 00:18:54,239 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2024-11-09 00:18:54,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:18:54,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:54,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:54,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:54,241 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:54,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-09 00:18:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:54,648 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:54,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:18:54,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:01,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-09 00:19:01,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:01,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 59 states and 111 transitions. [2024-11-09 00:19:01,757 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 111 transitions. [2024-11-09 00:19:01,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:01,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:01,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:01,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:01,758 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:01,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-09 00:19:02,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:02,056 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:02,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:19:02,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:10,159 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:10,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-09 00:19:11,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:11,656 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:11,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:11,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:11,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:11,658 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:11,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-09 00:19:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:12,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:12,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:19:12,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:14,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-09 00:19:14,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:14,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:14,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:14,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:14,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:14,259 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:14,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-09 00:19:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:14,567 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:14,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:19:14,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:16,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-09 00:19:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:16,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:16,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:16,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:16,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:16,423 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:16,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-09 00:19:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:16,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:16,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:19:16,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:18,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:18,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:18,645 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:18,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:18,646 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:18,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:18,646 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:18,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-09 00:19:18,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:18,990 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:19,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:19:19,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:25,550 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:25,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:25,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:25,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:25,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:25,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:25,567 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:25,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-09 00:19:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:25,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:26,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:19:26,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:28,240 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:28,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-09 00:19:28,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:28,485 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:28,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:28,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:28,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:28,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:28,487 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:28,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-09 00:19:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:28,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:28,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:19:28,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:30,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:30,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:30,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:30,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:30,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:30,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:30,922 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:30,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-09 00:19:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:31,389 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:31,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:19:31,428 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:33,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-09 00:19:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:33,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:33,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:33,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:33,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:33,908 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:33,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-09 00:19:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:34,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:34,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:19:34,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:36,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:36,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:36,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:36,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:36,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:36,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:36,661 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:36,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-09 00:19:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:37,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:37,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:19:37,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:43,746 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:43,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:43,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:43,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:43,761 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:43,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:43,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:43,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:43,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:43,763 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:43,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-09 00:19:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:44,109 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:44,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:19:44,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:51,502 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:51,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:51,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:51,518 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:51,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:51,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:51,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:51,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:51,520 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:51,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-09 00:19:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:52,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:52,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:19:52,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:19:58,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:58,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:19:58,797 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:19:58,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:19:58,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:58,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:58,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:58,800 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:58,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-09 00:19:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:59,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:59,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:19:59,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:20:01,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:01,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:20:01,515 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:20:01,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:20:01,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:01,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:01,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:01,517 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:01,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-09 00:20:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:01,905 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:01,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:20:01,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:08,594 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:20:08,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-09 00:20:08,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:08,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:20:08,614 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:20:08,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:20:08,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:08,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:08,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:08,618 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:08,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-09 00:20:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:08,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:08,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:20:08,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:15,863 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:20:15,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:15,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:20:15,880 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:20:15,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:20:15,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:15,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:15,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:15,884 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:15,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-09 00:20:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:16,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:16,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:20:16,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:23,798 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:20:23,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:23,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:23,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:20:23,819 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:20:23,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:20:23,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:23,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:23,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:23,821 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:23,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-09 00:20:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:24,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:24,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:20:24,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:31,963 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:20:31,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:31,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:31,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:20:31,979 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:20:31,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:20:31,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:31,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:31,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:31,980 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:31,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-09 00:20:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:32,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:32,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:32,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 00:20:32,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:40,481 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:20:40,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-09 00:20:40,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:40,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:20:40,775 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:20:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:20:40,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:40,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:40,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:40,777 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:40,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-09 00:20:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:41,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:41,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:20:41,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:47,791 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:20:47,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-09 00:20:47,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:47,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:20:47,808 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:20:47,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:20:47,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:47,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:47,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:47,810 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:47,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-09 00:20:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:48,214 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:48,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:20:48,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:50,129 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:20:50,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:50,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:20:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:20:50,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:20:50,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:50,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:50,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:50,346 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:50,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-09 00:20:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:50,681 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:50,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:20:50,718 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:20:52,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:53,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:53,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:20:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:20:53,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:20:53,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:53,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:53,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:53,126 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:53,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-09 00:20:53,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:53,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:53,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:20:53,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:20:55,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-09 00:20:56,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:20:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:20:56,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:20:56,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:56,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:56,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:56,124 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:56,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-09 00:20:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:56,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:56,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:20:56,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:03,881 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:03,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-09 00:21:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:03,899 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:03,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:03,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:03,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:03,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:03,900 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:03,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-09 00:21:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:04,323 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:04,361 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:21:04,362 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:11,210 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:11,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-09 00:21:11,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:11,224 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:11,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:11,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:11,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:11,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:11,230 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:11,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-09 00:21:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:11,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:11,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:21:11,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:14,245 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:14,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-09 00:21:14,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:14,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:14,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:14,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:14,533 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:14,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-09 00:21:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:14,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:15,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:21:15,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:22,373 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:22,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-09 00:21:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:22,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:22,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:22,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:22,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:22,395 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:22,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-09 00:21:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:22,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:22,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:21:22,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:25,231 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:25,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-09 00:21:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:25,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:25,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:25,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:25,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:25,399 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:25,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-09 00:21:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:25,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:25,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:21:25,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:32,559 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:32,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-09 00:21:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:32,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:32,579 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:32,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:32,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:32,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:32,584 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:32,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-09 00:21:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:33,097 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:33,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:21:33,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:39,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-09 00:21:39,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:39,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:39,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:39,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:39,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:39,924 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:39,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-09 00:21:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:40,325 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:40,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:21:40,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:42,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-09 00:21:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:42,417 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:42,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:42,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:42,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:42,419 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:42,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-09 00:21:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:42,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:42,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:21:42,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:45,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-09 00:21:45,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:45,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:45,402 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:45,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:45,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:45,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:45,404 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:45,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-09 00:21:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:45,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:45,859 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:21:45,860 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:52,172 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:52,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-09 00:21:52,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:52,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:52,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:52,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:52,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:52,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:52,189 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:52,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-09 00:21:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:52,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:52,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:21:52,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:21:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:21:54,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-09 00:21:54,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:21:54,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:21:54,875 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:21:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:21:54,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:21:54,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:21:54,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:21:54,881 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:21:54,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-09 00:21:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:55,259 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:21:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:21:55,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:21:55,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:01,538 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:01,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-09 00:22:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:01,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:01,552 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:01,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:01,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:01,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:01,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:01,555 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:01,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-09 00:22:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:01,906 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:01,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:01,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:08,559 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:08,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-09 00:22:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:08,574 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:08,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:08,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:08,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:08,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:08,578 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:08,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-09 00:22:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:08,934 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:08,971 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:08,972 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:15,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-09 00:22:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:15,638 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:15,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:15,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:15,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:15,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:15,641 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:15,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-09 00:22:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:16,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:16,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:16,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:22,759 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:22,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-09 00:22:22,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:22,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:22,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:22,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:22,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:22,790 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:22,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-09 00:22:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:23,315 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:23,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:22:23,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:25,524 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:25,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-11-09 00:22:25,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:25,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:25,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:25,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:25,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:25,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:25,798 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:25,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-09 00:22:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:26,143 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:26,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:22:26,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:28,020 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:28,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-09 00:22:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:28,278 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:28,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:28,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:28,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:28,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:28,282 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:28,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-09 00:22:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:28,683 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:28,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:22:28,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:30,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:30,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:30,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:30,857 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:30,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:30,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:30,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:30,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:30,859 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:30,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-09 00:22:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:31,284 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:31,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:31,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:37,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-09 00:22:37,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:37,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:37,133 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:37,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:37,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:37,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:37,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:37,136 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:37,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-09 00:22:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:37,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:37,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:22:37,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:39,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-09 00:22:39,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:39,329 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:39,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:39,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:39,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:39,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:39,330 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:39,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-09 00:22:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:39,662 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:39,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:39,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:45,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-09 00:22:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:45,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:45,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:45,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:45,196 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:45,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-09 00:22:45,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:45,492 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:45,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:22:45,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:47,149 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:47,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-09 00:22:47,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:47,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:47,263 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:47,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:47,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:47,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:47,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:47,265 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:47,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-09 00:22:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:47,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:47,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:22:47,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:49,245 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:49,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-09 00:22:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:49,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:49,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:49,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:49,458 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:49,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-09 00:22:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:49,786 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:49,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:49,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:22:55,258 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:22:55,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-09 00:22:55,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:22:55,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:22:55,268 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:22:55,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:22:55,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:22:55,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:22:55,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:22:55,270 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:22:55,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-09 00:22:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:55,554 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:22:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:22:55,583 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:22:55,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:00,794 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:00,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-09 00:23:00,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:00,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:00,809 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:00,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:00,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:00,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:00,811 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:00,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-09 00:23:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:01,108 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:01,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:23:01,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:02,908 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:02,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-09 00:23:03,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:03,033 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:03,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:03,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:03,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:03,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:03,036 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:03,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-09 00:23:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:03,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:03,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:03,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:08,730 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:08,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-09 00:23:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:08,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:08,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:08,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:08,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:08,748 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:08,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-09 00:23:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:09,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:09,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:23:09,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:10,834 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:10,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-09 00:23:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:11,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:11,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:11,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:11,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:11,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:11,028 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:11,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-09 00:23:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:11,364 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:11,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:23:11,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:13,176 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:13,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:13,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:13,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:13,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:13,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:13,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:13,365 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:13,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-09 00:23:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:13,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:13,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:13,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:18,940 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:18,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:18,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:18,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:18,954 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:18,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:18,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:18,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:18,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:18,956 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:18,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-09 00:23:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:19,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:19,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:19,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:24,628 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:24,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-09 00:23:24,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:24,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:24,639 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:24,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:24,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:24,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:24,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:24,641 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:24,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-09 00:23:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:24,925 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:24,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:23:24,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:26,562 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:26,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:26,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:26,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:26,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:26,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:26,733 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:26,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-09 00:23:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:27,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:27,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:27,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:32,344 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:32,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:32,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:32,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:32,354 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:32,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:32,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:32,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:32,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:32,355 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:32,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-09 00:23:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:32,742 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:32,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:23:32,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:34,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:34,651 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:34,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:34,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:34,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:34,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:34,654 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:34,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-09 00:23:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:34,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:35,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:23:35,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:36,683 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:36,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:36,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:36,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:36,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:36,900 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:36,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-09 00:23:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:37,207 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:37,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:37,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:42,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-09 00:23:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:42,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:42,500 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:42,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:42,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:42,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:42,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:42,503 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:42,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-09 00:23:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:42,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:42,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:42,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:48,845 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:48,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:48,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:48,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:48,858 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:48,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:48,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:48,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:48,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:48,860 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:48,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-09 00:23:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:49,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:49,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:49,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:23:54,574 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:23:54,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-09 00:23:54,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:23:54,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:23:54,589 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:23:54,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:23:54,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:23:54,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:23:54,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:23:54,591 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:23:54,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-09 00:23:54,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:54,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:23:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:23:54,931 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:23:54,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:00,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:00,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:00,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:00,811 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:00,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-09 00:24:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:01,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:01,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:24:01,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:03,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-09 00:24:03,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:03,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:03,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:03,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:03,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:03,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:03,156 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:03,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-09 00:24:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:03,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:03,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:24:03,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:05,203 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:05,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-09 00:24:05,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:05,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:05,321 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:05,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:05,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:05,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:05,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:05,322 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:05,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-09 00:24:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:05,641 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:05,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:24:05,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:07,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-09 00:24:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:07,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:07,507 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:07,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:07,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:07,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:07,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:07,508 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:07,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-09 00:24:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:07,810 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:07,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:24:07,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:09,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:09,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:09,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:09,676 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:09,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:09,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:09,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:09,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:09,679 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:09,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-09 00:24:09,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:09,997 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:10,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:10,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:15,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:15,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:15,597 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:15,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:15,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:15,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:15,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:15,598 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:15,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-09 00:24:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:15,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:15,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:15,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:21,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-09 00:24:21,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:21,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:21,490 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:21,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:21,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:21,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:21,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:21,496 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:21,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-09 00:24:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:21,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:21,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:21,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:27,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:27,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:27,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:27,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:27,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:27,415 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:27,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-09 00:24:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:27,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:27,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:24:27,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:29,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:29,749 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:29,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:29,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:29,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:29,750 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:29,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-09 00:24:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:30,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:30,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:30,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:24:30,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:31,810 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:31,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:32,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:32,020 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:32,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:32,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:32,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:32,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:32,022 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:32,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-09 00:24:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:32,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:32,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:32,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:37,930 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:37,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:37,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:37,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:37,945 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:37,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:37,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:37,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:37,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:37,947 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:37,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-09 00:24:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:38,273 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:38,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:38,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:43,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-09 00:24:43,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:43,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:43,714 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:43,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:43,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:43,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:43,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:43,715 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:43,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-09 00:24:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:44,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:44,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:24:44,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:45,811 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:45,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:45,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:45,935 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:45,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:45,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:45,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:45,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:45,936 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:45,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-09 00:24:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:46,282 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:46,322 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:46,323 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:52,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-09 00:24:52,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:52,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:52,313 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:52,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:52,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:52,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:52,315 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:52,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-09 00:24:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:52,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:52,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:52,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:24:52,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:24:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:24:54,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-09 00:24:54,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:24:54,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:24:54,950 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:24:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:24:54,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:24:54,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:24:54,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:24:54,951 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:24:54,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-09 00:24:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:55,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:24:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:24:55,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:24:55,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:01,454 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:01,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:01,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:01,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:01,468 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:01,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:01,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:01,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:01,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:01,470 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:01,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-09 00:25:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:01,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:01,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:25:01,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:04,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:04,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:04,252 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:04,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:04,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:04,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:04,253 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:04,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-09 00:25:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:04,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:04,651 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:25:04,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:06,640 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:06,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-09 00:25:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:06,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:06,864 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:06,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:06,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:06,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:06,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:06,865 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:06,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-09 00:25:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:07,191 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:07,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:07,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:12,613 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:12,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:12,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:12,628 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:12,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:12,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:12,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:12,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:12,630 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:12,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-09 00:25:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:12,971 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:13,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:13,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:18,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:18,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:18,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:18,518 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:18,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:18,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:18,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:18,522 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:18,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-09 00:25:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:18,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:18,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:25:18,890 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:20,644 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:20,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-09 00:25:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:20,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:20,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:20,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:20,873 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:20,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-09 00:25:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:21,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:21,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:21,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:26,831 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:26,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-09 00:25:26,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:26,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:26,845 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:26,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:26,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:26,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:26,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:26,849 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:26,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-09 00:25:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:27,366 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:27,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:25:27,407 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:29,269 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:29,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:29,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:29,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:29,500 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:29,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:29,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:29,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:29,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:29,501 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:29,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-09 00:25:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:29,814 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:29,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:25:29,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:31,614 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:31,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:31,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:31,882 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:31,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:31,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:31,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:31,886 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:31,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-09 00:25:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:32,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:32,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:32,259 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:25:32,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:34,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:34,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:34,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:34,254 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:34,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:34,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:34,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:34,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:34,256 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:34,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-09 00:25:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:34,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:34,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:34,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:40,238 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:40,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:40,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:40,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:40,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:40,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:40,254 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:40,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-09 00:25:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:40,630 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:40,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:25:40,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:42,421 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:42,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:42,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:42,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:42,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:42,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:42,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:42,723 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:42,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-09 00:25:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:43,066 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:43,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:25:43,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:45,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-09 00:25:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:45,309 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:45,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:45,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:45,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:45,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:45,312 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:45,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-09 00:25:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:45,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:45,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:45,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:51,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:51,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:51,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:51,381 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:51,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:51,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:51,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:51,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:51,382 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:51,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-09 00:25:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:51,741 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:51,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:51,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:25:51,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:25:58,505 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:25:58,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-09 00:25:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:25:58,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:25:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:25:58,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:25:58,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:25:58,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:25:58,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:25:58,521 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:25:58,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-09 00:25:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:58,892 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:25:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:25:58,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:25:58,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:00,839 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:00,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-09 00:26:01,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:01,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:01,055 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:01,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:01,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:01,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:01,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:01,057 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:01,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-09 00:26:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:01,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:01,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:01,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:01,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:08,005 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:08,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-09 00:26:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:08,019 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:08,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:08,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:08,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:08,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:08,021 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:08,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-09 00:26:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:08,382 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:08,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:08,426 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:14,840 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:14,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-09 00:26:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:14,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:14,862 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:14,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:14,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:14,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:14,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:14,866 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:14,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-09 00:26:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:15,369 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:15,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:15,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:17,478 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:17,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-09 00:26:17,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:17,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:17,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:17,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:17,768 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:17,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-09 00:26:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:18,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:18,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:18,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:20,296 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:20,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-09 00:26:20,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:20,572 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:20,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:20,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:20,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:20,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:20,574 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:20,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-09 00:26:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:20,988 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:21,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:21,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:22,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:23,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:23,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:23,204 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:23,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:23,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:23,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:23,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:23,207 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:23,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-09 00:26:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:23,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:23,591 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:23,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:29,380 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:29,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:29,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:29,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:29,393 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:29,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:29,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:29,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:29,395 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:29,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-09 00:26:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:29,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:29,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:29,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:31,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-09 00:26:31,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:31,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:31,823 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:31,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:31,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:31,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:31,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:31,827 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:31,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-09 00:26:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:32,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:32,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:32,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:39,395 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:39,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:39,409 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:39,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:39,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:39,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:39,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:39,411 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:39,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-09 00:26:39,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:39,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:39,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:39,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:41,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-09 00:26:42,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:42,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:42,020 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:42,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:42,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:42,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:42,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:42,021 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:42,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-09 00:26:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:42,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:42,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:42,434 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:42,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:44,382 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:44,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-09 00:26:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:44,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:44,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:44,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:44,620 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:44,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-09 00:26:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:44,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:45,029 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:45,030 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:51,187 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:51,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:51,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:51,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:51,200 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:51,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:51,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:51,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:51,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:51,202 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:51,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-09 00:26:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:51,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:51,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:26:51,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:26:58,637 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:26:58,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-09 00:26:58,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:26:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:26:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:26:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:26:58,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:26:58,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:26:58,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:26:58,654 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:26:58,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-09 00:26:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:59,014 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:26:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:26:59,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:26:59,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:00,953 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:27:00,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:01,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:27:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:27:01,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:27:01,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:01,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:01,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:01,218 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:01,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-09 00:27:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:01,570 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:01,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:01,622 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:07,511 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:27:07,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-09 00:27:07,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:07,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:27:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:27:07,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:27:07,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:07,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:07,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:07,528 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:07,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-09 00:27:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:07,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:07,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:27:07,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:27:09,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-09 00:27:10,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:10,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:27:10,042 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:27:10,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:27:10,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:10,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:10,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:10,046 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:10,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-09 00:27:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:10,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:10,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:10,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:16,658 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:27:16,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:16,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:27:16,671 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:27:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:27:16,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:16,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:16,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:16,672 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:16,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-09 00:27:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:17,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:17,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:17,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:22,772 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:27:22,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:22,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:22,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:27:22,786 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:27:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:27:22,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:22,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:22,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:22,788 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:22,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-09 00:27:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:23,158 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:23,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:27:23,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:27:25,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-09 00:27:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:25,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:27:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:27:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:27:25,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:25,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:25,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:25,466 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:25,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-09 00:27:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:25,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:25,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:25,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:27:32,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Forceful destruction successful, exit code 0 [2024-11-09 00:27:32,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:32,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:27:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:27:32,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:27:32,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:32,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:32,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:32,163 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:32,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-09 00:27:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:32,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:32,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-09 00:27:32,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:27:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-09 00:27:34,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-09 00:27:35,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:27:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 61 states and 126 transitions. [2024-11-09 00:27:35,160 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 126 transitions. [2024-11-09 00:27:35,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-09 00:27:35,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:27:35,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:27:35,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:27:35,162 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:27:35,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1dafc3d3-986e-4eb2-ae69-42bce644c108/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-09 00:27:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:35,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:27:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:27:35,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-09 00:27:35,578 INFO L278 TraceCheckSpWp]: Computing forward predicates...